United Nations Mine Action Service (UNMAS) is located in the United Nations Department of Peacekeeping Operations. It is responsible for ensuring an effective, proactive and coordinated United Nations response to landmines and explosive remnants of war through collaboration with 13 other UN departments, agencies, funds and programmes. In peacekeeping and emergency settings, UNMAS establishes and manages mine action coordination centres in mine-affected countries, plans and manages operations, mobilizes resources and sets mine-action priorities in the countries and territories it serves. The current Director is Ms. Agnès Marcaillou.
The United Nations Mine Action Service (UNMAS) is a section of the Department of Peacekeeping Operations and was formed in October 1997 to serve as the United Nations focal point for mine action and to support the UN vision of a "world free of the threat of landmines and unexploded ordnance".